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In **Mathematics** / **High School** | 2025-07-08

📝 Answered - Find the domain and range of the function $\frac{-2 x(x+3)^2(x+2)}{3 x(x+2)(x+3)^2}$. A. $D:(-\infty,-3) \cup(-3,-2) \cup(-2,0) \cup(0, \infty) R:(-\infty, 0) \cup(0, \infty)$ B. $D:(-\infty,-3) \cup(-3,-2) \cup(-2, \infty) R:(-\infty, 0) \cup(0, \infty)$ C. $D:(-\infty,-3) \cup(-3,-2) \cup(-2, \infty) R:(-\infty, 2 / 3) \cup(2 / 3, \infty)$ D. $D:(-\infty,-3) \cup(-3,-2) \cup(-2,0) \cup(0, \infty) R:(-\infty,-2 / 3) \cup(-2 / 3, \infty)$

In **Mathematics** / **College** | 2025-07-08

📝 Answered - Which statement describes how the graph of the given polynomial would change if the term [tex]$2 x^5$[/tex] is added? [tex]$y=8 x^4-2 x^3+5$[/tex] A. Both ends of the graph will approach negative infinity. B. The ends of the graph will extend in opposite directions. C. Both ends of the graph will approach positive infinity. D. The ends of the graph will approach zero.

In **Mathematics** / **High School** | 2025-07-08

📝 Answered - Which graph shows the solution to the system of linear inequalities? [tex]\begin{array}{l} 2 x-3 y \leq 12 \\ y\ \textless \ -3 \end{array}[/tex]

In **Mathematics** / **College** | 2025-07-08

📝 Answered - Suppose that a certain car has the following average operating and ownership costs: | | | | | :--------- | :--------- | :---- | | | | | | Operating | Ownership | Total | | [tex]$0.26[/tex] | [tex]$0.72[/tex] | [tex]$0.98[/tex] | a. If you drive 30,000 miles per year, what is the total annual expense for this car? b. If the total annual expense for this car is deposited at the end of each year into an IRA paying [tex]8.2 %[/tex] compounded yearly, how much will be saved at the end of six years? Use the formula [tex]A =\frac{P\left[\left(1+\frac{r}{n}\right)^{n t}-1\right]}{\left(\frac{r}{n}\right)}[/tex]

In **Mathematics** / **College** | 2025-07-08

📝 Answered - Which polynomial lists the powers in descending order? A. $x^8+10 x^2+8 x^3+3 x^6-2$ B. $x^9+3 x^6+8 x^3+10 x^2-2$ C. $3 x^6+10 x^2+x^8+8 x^3-2$ D. $10 x^2+8 x^3+x^8-2+3 x^6$

In **Biology** / **College** | 2025-07-08

📝 Answered - In order to yield haploid cells, what separates in meiosis II? a) Parent and daughter DNA b) Homologous chromosomes c) Male and female chromosomes d) Sister chromatids

In **Biology** / **College** | 2025-07-08

📝 Answered - Which of the following has voltage-gated ion channels that allow for conduction of electrical signals? It also has T-tubules that extend deep into the cell. a. sarcoplasm b. sarcolemma c. tropomyosin d. myosin e. myofibrils

In **Mathematics** / **College** | 2025-07-08

📝 Answered - Which addition expression has the sum $8-3 i$? A. $(9+4 i)+(-1-7 i)$ B. $(7+2 i)+(1-i)$ C. $(7+4 i)+(-1-7 i)$ D. $(9+2 i)+(1-i)$

In **Mathematics** / **High School** | 2025-07-08

📝 Answered - Select the correct answer. Which equation represents a circle with center $T(5,-1)$ and a radius of 16 units? A. $(x-5)^2+(y+1)^2=16$ B. $(x-5)^2+(y+1)^2=256$ C. $(x+5)^2+(y-1)^2=16$ D. $(x+5)^2+(y-1)^2=256

In **History** / **College** | 2025-07-08

📝 Answered - Which native civilization invented a numerical system to keep records? A. The Inca B. The Aztec C. The Olmec D. The Maya